FreshGuard 3D
MQ-135·ARDUINO UNO·GAS SENSOR
SYSTEM ACTIVE
FOOD QUALITY: FRESH
Gas Level (ppm)
12 ppm
Threshold
300 ppm
LED Status
● GREEN
Buzzer
SILENT
🍎 FOOD
⚙ MQ-135 SENSOR
🔷 ARDUINO
💡 LED
🔔 BUZZER